Children love to explore pictures of the underwater world, and with 224 pages to color and activities to do, they'll spend hours with this big book. Simple line drawings of fish, crabs, sharks, dolphins, starfish, and more will make coloring easy for the littlest artists. Mazes and other puzzle activities will stimulate young brains when kids are looking for something a bit more challenging. And the perforated pages make it easy for children to tear out and display their masterpieces.